Golting-reel



(No Model.) 4 Sheets-.Sheet 2.

' J. IB. DOBSON.

- BOLTING REEL. H

No. 391,406. Patented Oct. 23, 1888.

W/TNESSES, ig' L /lVI/E/VTOI?,

www@

(No Model.) 4 Sheets-Sheet 3.

J. B. DOBSON.

' BOLTING'RBEL.

No. 391,406. Patented Oct. 23, 1888.v

(No Model.) 4 Sheets-Sheet 4.

J. B. DOBSON.

e i BOLTING REEL. No. 391,406. Patented Oct. 23, 1888.

N PL rms. vnf-lulnnoqmphm. wnsnmglon. D. c

nir drains Para Cir-rima JAMES B. DCBSCN, CF CLEVELAND, OHIO.

LTWSG=REEL SPECIFICATION forming part e1 Letters Patent No. 391,405, dated @cteber 23, 1888.

Application filed July 19, 1887. Serial No. 244,722.

To aZZ whom, it may concern.:

Beit known that I, JAMES B. DOBSON, of Cleveland, in the county of Cuyahoga and State of Ohio, have invented certain new and useful Improvements in Bolting Reels; and l do hereby declare the following to be a full,clear, and eXact description of the invention, such as will enable others skilled in the art to which it pertains to make and use the same.

My invention relates to improvements in bolting-reels for milling purposes, in which a reel of ordinary construction is employed,and inside of and revolving with such reel are arranged a series of longitudinal bolting-pockets, or 'so-called sealpers7 The latter, respectively, receive the ground material in small quantities and make the rst separation known as scalping,77 the bran being retained in such bolting-pockets until it is discharged from the latter at the tail end of the machine, while the balance of the material passes to the bolting-cloth of the reel proper, where a second separation is effected, the flour being discharged through the meshes of this boltingcloth, while the middlings are retained inside the reel and are discharged in a body at the tail end of the machine, with the result that great bolting capacity is had compared with the size and the cost of the apparatus.

My invention also relates to the details of construction hereinafter described, and pointed out in the claims.

In the accompanying drawings, Figure 1 is a side elevation, portions being broken away to show the internal construction. Figs. 2, 8, and 4c are elevations in transverse section respectively on the lines a: rv, y y, and z e, Fig. l. Fig. 5 is an enlarged plan in longitudinal section, illustrating the knocker mechanism. Fig. 6 is an elevation of one of the frames used in constructing the boltingpockets. Fig. 7 is a view in perspective of a bolting-poeket detached, and Fig. 8 is a view in elevation of the casing surrounding the feedspout o.

A represents the casing with sloping sides A', and having attached afeeding-hopper, A2, and conveyers A3, all arranged substantially as heretofore used, and therefore need not be further described. y

B is the bolting-reel, the same having heads B and Bl and spiders B, all mounted on the (No model.)

shaft C. The latter extends through the feedspout a and discharging-spout a', the shaft having mounted thereon worms c, for feeding h the material through these spouts to and from the reel.

D are wings, usually of wood, extending lengthwise of the reel and located approximately in the position shown in Fig. 2, these wings being rigidly secured to the heads B and B2, and are notched over the spider-arms, to which latter the wings are usually stayed. At the induction end ofthe reel staves d abut against head B, and are respectively connected with the inner edges of the wings D, these staves extending rearward past the rear end ofspout a. The edges of these staves have grooves d', for purposes hereinafter shown. The rear ends of these staves abut the arms of the forward spider, B3. Between the wingsD are located the so-called bolting-poekets E or scalpers, the latter name being sometimes applied to analogous mechanism. These pockets are supported by the heads B' and B2 of the reel, these heads having openings adapted to receive the ends of the frame-work of these pockets. The construction of these bolting-pockets is as follows: Beds E', usually threein number and made,preferably,ofwood, extend the length of the pockets, and on these rods are mounted a head, E, and a suitable number of skeleton frames, E3, the latter being distributed, preferably, at equal intervals forsupporting the bolting-cloths e. The frames E (shown more clearly in Fig. 6) are usually of metal wound with cloth to prevent injury to the bolting-eloth. These frames are rigidly secured on the rods E, while the head E2 is mounted loosely' on these rods, so that the head may move endwise of the rods. Coilars e' are fastened to the rods E', (see Fig-6,) and between the collars and head E2, or washers resting against said head, are located springs e2, the latter being coiled around the respective rods and made to abut against the head and collar, the tension of these springs acting outward on heads E2. Retaining-bolts e3 have broad washers et next the bolt-heads for engaging the heads E2. These bolts extend some distance into the rods E and engage nuts e5 set in the rods, as shown in Fig. 5. Thebolting-cloth e, :at the forward end thereof, is secured to head E2. rlhe rear end of the bolting-cloth is fastened to a TOO piece of canvas, F, the latter being fastened -to the rear frame, Before fastening the bolting-cloth the bolts e3 are tightened to compress the springs e". After the bolting-cloth is fastened bolts e3 are backed out sufficiently `to strain the bolting-cloth by means of the recoil of springs e2. The edges of bolting-cloth e and canvas F are secured to the edges of the strip of canvas F', except the forward portion of bolting-cloth e, thatis attached to a strip of wood, f, the canvas F being secured to the rear frame, E3, andthis canvas is attached to the rear end of strip f, the latter at the front end being rigidly secured to the head E2. Stripsf have large openings f', for receiving material from the spout a as the bolting-pockets are successively brought under the spout by the movement of the reel. Strips f have tongues f along the edges thereof for engaging grooves d of staves d. The staves d and strips f form a continuous casing around the spout a,with peripheral openingsf, as aforesaid. The head B, that tits closely around spout a, closing the forward end of such casing, and the adjacent spider B, with its hub, arms, and with a ange, B", or web between the arms, (see Fig. 8,) forms a head that closes' the rear end of such casing. The strips f overlap such web or fiange Bt, and the latter is provided with strips of rubber, B5, (see dotted lines, Fig. 8,) to insure a tight joint with strips f. Therefore the material discharged from spout a has no egress from the casing surrounding the spout, except through the apertures f leading into the respective pockets E. The apertures through the head B2 for receiving the rear ends of the bolting-pockets have beveled edges iiaring inward to receive the rear frame, E3, thus rigidly securing the rear end of these pockets, while heads El of these pockets rest in apertures made in head B', the heads B and E2 being iush on the outside. Caps b are fastened with screws to the outside of head B', these caps respectively covering heads E2, and consequently holding the bolting-pockets in place endwise. Knockers G are attached to the heads E2, the knockers extending forward through openings in these caps.

One or more stationary knockers, g, are attached to the frame-work of the reel, the two sets of knockers having beveled edges for engaging each other and abrupt edges where the knockers separate. As the reel revolves, these knockers G and g successivelycome in contact, whereby heads E? are successively moved rearward a tritlc against the action of springs e2, thereby relaxing the bolting-cloth e. As the knockers G pass out of engagement with the stationary knockers g, the recoil of the spring e2 causes thehead E2 to move suddenly forward, thereby giving a slight jerk on the bolting-cloth e, such movement of the boltingcloth being very effective in cleaning the cloth and in freeing the meshes thereof.

The meshes of boiting-cloth e allow the flour and middlings to pass, but retain the bran,

thus effecting the rst separation or scalping, the bran being carried to the rear or open end of the bolting-pockets, from whence it falls by gravity into spout H, this spout having sufficient incline to discharge the bran at the side of the machine.

The iiour and middlings from the different bolting-pockets fall upon wings D, and therefore do not clog the succeeding pockets; but instead, and by means of the action of these wings, the flour and middlings are deflected and cast onto the bolting-cloth b of the reel, where a second separation is effected, the flour passing the bolting-cloth and the middlings being retained in the reel until they reach the rear end of the latter,where the middlings are elevated by buckets h, connected with the inside ofthe reel, and discharge into spouts a, from whence, by the action of worm c, the middlings are discharged at the tail end of the machine. Any middlings that may fall from buckets h and are'not received by spouts a fall upon the canvas F, and from thence back to the bottom of the reel, this canvas being arranged at the rear end of the bolting-pocket for such purpose.

The reel is provided with a segmental core, each segment of which is provided on its outer face with a series of V-shaped ridges running lengthwise of the reel, the segments thereof, b3, being set opposite the outer edges of the respective bolting-pockets, whereby material that is carried up by the bolting-cloth b and falling from thence does not come in contact with the bolting-pockets, but instead falls upon these segments, and from thence is cast back upon the cloth b.

The pockets E, although comparatively small in cross-section, in the aggregate have ample bolting capacity, and from the fact that each pocket receives but a small quantity of material, and that the latter can fall but a short distance inside of these pockets, the bolting-cloths e are rendered durable. By removing cap b the bolting-pocket can be drawn endwise and removed from the reel for inspection, repairs, or to give access to the inside of the reel.

The frame-Work of the bolting-pockets is light and inexpensive, the principal cost of these pockets being the bolting-cloths e, and then by reason of the coarser material being retained inside these pockets greatly reduce the wear of the finer and more expensivebolting-cloth b. The bolting-pockets being located inside the reel occupy what would otherwise be idle space. The machines are therefore rendered snug and compact, and have great capacityas compared with the floor-space that they occupy and with the initial cost of such machine.

What claim is- 1. The combination, with suitable framework and a bolting-cloth supported thereon, of a head mounted loosely on such frame-work to move endwise of the latter, the boltingcloth being attached the one end to the frame- IOO work and the other end to the movable head, springs for moving the movable head outward to strain the bolting-cloth, and retaining-bolts for pressing the movable head inward against the action of the spring, substantially as set forth.

2. The combination, with au outer reel, an inner pocket consisting of a frame-work, movable head mounted on the frame-work, bolting-eloth connected with the frame-work and with the movable head, springs for pressing the movable head outward, and retaining-rods located within the pockets for moving the head inward against the action of the springs, substantially as indicated, of aknocker orinclines made to press the said movable head inward, substantially as indicated, whereby the bolting-cloth is suddenly strained when the movable heads pass out of engagement with the stationary knockers, substantially as set forth.

3. The combination, with a bolting-reel and bolting-pockets arranged inside the reel, substantially as indicated, of heads forming the one end of such pockets, said heads being movable endwise of the pockets, springs for pressing the movable heads outward, knockers or inclines mounted, respectively, on the movable head and on the frame-work of the reel for mutual engagement, such engagement of the knockers causing an inward movement of the movable head, substantially as set forth.

4. The combination, with bolting-reel, bolting-pockets, and wings, substantially as indicated, of a segmental reel-core, the segments of the core being located between the bolting` cloth of the reel and the outer edges of the bolting-pookets, substantially as set forth.

In testimony whereof I sign this specification, in the presence of two witnesses, this 25th day of June, 1587.

JAMES B. DOBSON.

Vitnesses:

CHAs. H. Donna, GEO. W. KING. 

